Home / 39,113,864.80-58,670,505.60-11,820,104.80

Finding the Fourth Proportional to 39,113,864.80, 58,670,505.60 and 11,820,104.80

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Solution

The fourth proportional to 39,113,864.80, 58,670,505.60 and 11,820,104.80 is: 17,730,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113,864.80 : 58,670,505.60 = 11,820,104.80 : x
  2. Step 2: Convert to fraction form
    39,113,864.80/58,670,505.60 = 11,820,104.80/x
  3. Step 3: Cross multiply
    39,113,864.80x = 58,670,505.60 × 11,820,104.80
  4. Step 4: Simplify right side
    39,113,864.80x = 693,491,524,860,987
  5. Step 5: Solve for x
    x = 693,491,524,860,987/39,113,864.80
  6. Step 6: Final answer
    x = 17,730,069.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.